Sentences with phrase «how small groups of cells»

In experiments with lab mice, she discovered how small groups of cells dance about to form an embryo and how a layer of cells surrounding the embryo itself, previously thought of as nothing more than a protective cloak, orchestrates the formation of an embryo's body parts.

Not exact matches

The three scientists assembled small aggregates of nerve cells, known informally as «mini-brains,» and used them to study how specific groups of neurons in the brain find each other and establish connections.

Assuming that the findings of the review reflected a causal relation between smoking cessation and risk of all cause mortality, we further investigated the data by constructing life tables for a hypothetical group of 100 patients aged 65 years with early stage lung cancer to estimate how many deaths would be prevented by smoking cessation within the non-small cell lung cancer and small cell lung cancer populations during five years.